Patnaik, S., and C. Pandey. “PH-Metric Study on Tervalent Yttrium and Lanthanide Chelates Involving 2-Hydroxy-2-Methyl Propanoic Acid As Secondary Liagand”. Asian Journal of Chemistry 8, no. 3 (March 30, 2010): 425–430. Accessed August 26, 2024. https://asianpubs.org/index.php/ajchem/article/view/24084.